Swimming pool liner



FIG. 1 is a perspective view of the swimming pool liner showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is an enlarged front elevational view thereof;

FIG. 5 is an enlarged rear elevational view thereof;

FIG. 6 is an enlarged left side elevational view thereof; and,

FIG. 7 is an enlarged right side elevational view thereof. 

CLAIM The ornamental design for a swimming pool liner, as shown and described. 